Organized at Hancock, N.Y., September 2, 1861. Left State for Washington, D.C., March 9, 1862. Attached to Wadsworth's Command, Military District of Washington, to May, 1862. Whipple's Brigade, Defenses of Washington, to June, 1862. 2nd Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac, to August, 1862. 2nd Brigade, 1st Division, 3rd Army Corps, to December, 1862.
SERVICE.--Duty in the Defenses of Washington, D.C., until June, 1862. Ordered to Join Army of the Potomac on the Virginia Peninsula June, 1862. Seven days before Richmond June 25-July 1. Battles of Oak Grove June 25; Jordan's Ford June 27; White Oak Swamp Bridge and Glendale June 30; Malvern Hill July 1. At Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville August 16-26. Pope's Campaign in Northern Virginia August 26-September 2. Battles of Groveton August 29; Bull Run August 30; Chantilly September 1. Guard fords of the Monocacy until October 11. Movement up the Potomac and to Falmouth, Va., October 11-November 19. Battle of Fredericksburg, Va., December 12-15. Transferred to 37th New York Infantry December 24, 1862.
Regiment lost during service 1 Officer and 24 Enlisted men killed and mortally wounded and 1 Officer and 48 Enlisted men by disease. Total 74.